Re: [patch 21/21] slab defrag: Obsolete SLAB

Christoph Lameter
2008-05-14T19:21:41Z

On Wed, 14 May 2008, Matt Mackall wrote:

> > Interrupt exit in general would have to inspect the per cpu structures of
> > all slab caches on the system?
>
> Why's that? When we're not under pressure (fast path), we can delay (and
> batch) remote frees. When we are under pressure (slow path), we can do
> everything immediately.

Fastpath is what? I guess slow path means we called into the page
allocator?